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Olaf Faaland bc5f51c5de module param callbacks check for initialized spa 
Callbacks provided for module parameters are executed both
after the module is loaded, when a user alters it via sysfs, e.g
	echo bar > /sys/modules/zfs/parameters/foo

as well as when the module is loaded with an argument, e.g.
	modprobe zfs foo=bar

In the latter case, the init functions likely have not run yet,
including spa_init() which initializes the namespace lock so it is safe
to use.

Instead of immediately taking the namespace lock and attemping to
iterate over initialized spa structures, check whether spa_mode_global
is nonzero.  This is set by spa_init() after it has initialized the
namespace lock.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Olaf Faaland <faaland1@llnl.gov>
Closes #7496 
Closes #7521
2018-05-11 12:46:07 -07:00
.github Reduce codecov PR comments 2018-01-09 11:15:55 -08:00
cmd Add canonical mount options zfs-mount-generator 2018-05-11 12:44:14 -07:00
config Fix inverted check for --enable-pyzfs 2018-05-03 11:10:26 -07:00
contrib Prevent make distclean removing 0 sized file 2018-05-06 20:46:13 -07:00
etc Add canonical mount options zfs-mount-generator 2018-05-11 12:44:14 -07:00
include OpenZFS 9075 - Improve ZFS pool import/load process and corrupted pool recovery 2018-05-08 21:35:27 -07:00
lib OpenZFS 9075 - Improve ZFS pool import/load process and corrupted pool recovery 2018-05-08 21:35:27 -07:00
man Add canonical mount options zfs-mount-generator 2018-05-11 12:44:14 -07:00
module module param callbacks check for initialized spa 2018-05-11 12:46:07 -07:00
rpm Fedora 28: Add BuildRequires: libtirpc-devel 2018-05-03 10:47:46 -07:00
scripts Adopt pyzfs from ClusterHQ 2018-05-01 10:33:35 -07:00
tests Fix shebangs on import tests 2018-05-11 12:37:44 -07:00
udev Add kernel module auto-loading 2018-03-13 10:45:55 -07:00
.gitignore Add configure option to enable gcov analysis 2017-09-15 10:24:13 -07:00
.gitmodules Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
.travis.yml Add .travis.yml 2017-11-13 09:18:18 -08:00
AUTHORS Add a missing > to AUTHORS 2014-09-02 14:18:53 -07:00
autogen.sh build: do not call boilerplate ourself 2013-04-02 10:55:20 -07:00
configure.ac Adopt pyzfs from ClusterHQ 2018-05-01 10:33:35 -07:00
copy-builtin Fix copy-builtin to work with ASAN patch 2018-01-12 09:39:36 -08:00
COPYRIGHT Encryption patch follow-up 2017-10-11 16:54:48 -04:00
DISCLAIMER Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
Makefile.am Allow make checkstyle and paxscript in build dir 2018-02-21 12:35:59 -08:00
META Tag zfs-0.7.0 2017-07-26 10:13:25 -07:00
OPENSOLARIS.LICENSE Add CDDL license file 2008-12-01 14:49:34 -08:00
README.markdown Add scan.coverity.com badge to README 2017-10-30 16:21:24 -07:00
TEST Refresh TEST file to include new variables 2017-11-08 11:09:30 -08:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.markdown

img

ZFS on Linux is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.

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Official Resources

Installation

Full documentation for installing ZoL on your favorite Linux distribution can be found at our site.

Contribute & Develop

We have a separate document with contribution guidelines.